Home / 247,447.12-371,170.50-142,198.96

Finding the Fourth Proportional to 247,447.12, 371,170.50 and 142,198.96

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Solution

The fourth proportional to 247,447.12, 371,170.50 and 142,198.96 is: 213,298.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,447.12 : 371,170.50 = 142,198.96 : x
  2. Step 2: Convert to fraction form
    247,447.12/371,170.50 = 142,198.96/x
  3. Step 3: Cross multiply
    247,447.12x = 371,170.50 × 142,198.96
  4. Step 4: Simplify right side
    247,447.12x = 52,780,059,082.68
  5. Step 5: Solve for x
    x = 52,780,059,082.68/247,447.12
  6. Step 6: Final answer
    x = 213,298.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.